foundational theories in chemical engineering, such as thermodynamics, transport phenomena, and reaction kinetics, serve as the bedrock for understanding and optimizing processes in various industries? Explore how these theories underpin the design of chemical reactors, separation processes, and unit operations. Additionally, discuss their implications in developing sustainable practices, such as minimizing energy consumption, reducing waste generation, and designing environmentally benign processes. How do advancements in computational methods and experimental techniques further enhance our ability to apply these theories in practical engineering scenarios, leading to innovations in areas like pharmaceuticals, petrochemicals, and renewable energy production?"